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Finding the Third Proportional to 45,660 and 68,296

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Solution

The third proportional to 45,660 and 68,296 is: 102,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,660 : 68,296 = 68,296 : x
  2. Step 2: Convert to fraction form
    45,660/68,296 = 68,296/x
  3. Step 3: Cross multiply
    45,660x = 68,296 × 68,296
  4. Step 4: Simplify right side
    45,660x = 4,664,343,616
  5. Step 5: Solve for x
    x = 4,664,343,616/45,660
  6. Step 6: Final answer
    x = 102,153.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.